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An object is placed above the observer's...

An object is placed above the observer's horizontal, we call the angle between the line of sight and observer's horizontal is………

A

angle of elevation

B

angle of depression

C

point

D

none

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BEYOND PUBLICATION-APPLICATIONS OF TRIGNOMETRY-EXERCISE
  1. If the ratio of height of a tower and the length of its shadow on the ...

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  2. If the angle of elevation of a tower from a distance of 100 m from its...

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  3. An object is placed above the observer's horizontal, we call the angle...

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  4. Angle of elevation of the top of a building from a point on the ground...

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  5. What change will be observed in the angle of elevation as we move away...

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  6. An objcet is placed below the observer's horizontal, then what is the ...

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  7. What change will be observed in the angle of elevation as we approach ...

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  8. In the figure given below, the imaginary line through the object and e...

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  9. In the figure given below, a man on the top of cliff observes a boat c...

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  10. If a pole height 6m casts a shadow 2sqrt(3)m long on the ground, then ...

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  11. In the figure given below, if AD = 7 sqrt 3 m, then BC = …………..m.

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  12. The length of the shadow of a tree is 7m high, when the sun's elevatio...

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  13. If two tangents inclined at an angle of 60^(@) are drawn to a circle o...

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  14. The angle formed by the line of sight with horizontal, when the point ...

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  15. cot^2 B-cosec^2 B=………….

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  16. (tan theta)/(sec theta)=…………….

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  17. A boy observed the top of an electrical pole to be at angle of elevati...

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  18. Suppose you are shooting an arrow from the top of a building at a heig...

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  19. sin""(pi^e)/(2)=…………

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  20. Domain of sin theta=………….

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